ASTM D7430-2013 标准详情
- 标准号:ASTM D7430-2013
- 中文标题:标准操作规程煤炭机械取样
- 英文标题:Standard Practice for Mechanical Sampling of Coal
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2013
5.1x00a0;It is intended that this practice be used to provide a sample representative of the coal from which it is collected. Because of the variability of coal and the wide variety of mechanical sampling equipment available, caution should be used i
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